Stepped-up flights by Russian fighters, long-range bombers and tanker aircraft are aggravating security concerns in Europe and the United States is watching them very closely, the Pentagon said on Friday.
Russia's War Against Ukraine
Reuters: United States chides Russia over military flights in Europe
While some of the aircraft turned back toward Russia, two Tu-95 Bear H Russian bombers continued their flight, and were identified and intercepted by F-16s from Portugal.
